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59 lines
2.0 KiB
59 lines
2.0 KiB
// Copyright 2018 Google LLC All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package v1
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import (
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"github.com/google/go-containerregistry/pkg/v1/types"
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)
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// Image defines the interface for interacting with an OCI v1 image.
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type Image interface {
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// Layers returns the ordered collection of filesystem layers that comprise this image.
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// The order of the list is oldest/base layer first, and most-recent/top layer last.
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Layers() ([]Layer, error)
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// MediaType of this image's manifest.
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MediaType() (types.MediaType, error)
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// Size returns the size of the manifest.
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Size() (int64, error)
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// ConfigName returns the hash of the image's config file, also known as
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// the Image ID.
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ConfigName() (Hash, error)
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// ConfigFile returns this image's config file.
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ConfigFile() (*ConfigFile, error)
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// RawConfigFile returns the serialized bytes of ConfigFile().
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RawConfigFile() ([]byte, error)
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// Digest returns the sha256 of this image's manifest.
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Digest() (Hash, error)
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// Manifest returns this image's Manifest object.
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Manifest() (*Manifest, error)
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// RawManifest returns the serialized bytes of Manifest()
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RawManifest() ([]byte, error)
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// LayerByDigest returns a Layer for interacting with a particular layer of
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// the image, looking it up by "digest" (the compressed hash).
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LayerByDigest(Hash) (Layer, error)
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// LayerByDiffID is an analog to LayerByDigest, looking up by "diff id"
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// (the uncompressed hash).
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LayerByDiffID(Hash) (Layer, error)
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}
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